Which of the following factors contributes to the relatively greater atomic size of the higher atomic number elements within a particular family of the periodic table? a. greater number of energy levels b. larger nuclei
c. greater number of protons d. smaller number of valence electrons

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

What is the polyatamic ion of thiosulfate